From unifying quantum physics and gravity to working out what is dark matter, the universe has some deep questions that ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

What exists at the core of a black hole? A research team led by Enrico Rinaldi, a physicist at the University of Michigan, ...

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

For the first time, researchers have found evidence that even microquasars with low-mass stars can efficiently accelerate ...

This would explain why the flares are speeding up, as the white dwarf is getting closer to the black hole and moving faster. But it likely won't fall in. An artist's rendering of a white dwarf ...

“This looked absolutely nothing like a normal black hole.” Astronomers are not sure why that might be happening. The most likely explanation is that there is a spinning white dwarf slowly ...

The image of M87*, the supermassive black hole at the center of massive elliptical galaxy M87, changed the world. It was the ...

New research shows black holes can trigger gas cooling, creating fuel for their own feeding. This process keeps them growing ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes. The star cluster in question is called Palomar 5. It's a ...